Dynamo torch with 3 LEDs and wristband. To use the light with the dynamo power, you must continue to press the side tab. To use the light with battery power you must press the side button (either to turn it on or off). Includes 3 AG10 batteries. Supplied in a gift box. 100 x 50 x 25 mm | Box: 58 x 58 x 105 mm